5-Acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranoasonic acid in crystalline form, process of its preparation and pharmaceutical preparations based thereon

摘要

Kyselina 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galakto-non-2-enopyranosonov v krystalick form jako desti kovit nebo jehlicovit krystaly. Zp soby p° pravy t to kyseliny v krystalick form , jako je zp sob, kter² zahrnuje krystalizaci t to kyseliny z vodn ho roztoku, v p° pad desti kovit²ch krystal p°i teplot nad 50 .degree.C a v p° pad jehlicovit²ch krystal p°i teplot pod 40 .degree.C. Farmaceutick² p° pravek pro pou it jako antivir ln prost°edek, kter² obsahuje tuto kyselinu v krystalick form a farmaceuticky p°ijateln² nosi ./